NET INCOME PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Numerator: [Abstract]
Net income	$ 4,715	$ 3,229
Denominator: [Abstract]
Weighted average common shares outstanding - basic (in shares)	22,408,000	22,229,000
Weighted average effect of dilutive securities: [Abstract]
Stock options (in shares)	2,000	26,000
Restricted stock units (in shares)	202,000	288,000
Warrants (in shares)	25,000	28,000
Weighted average common shares outstanding - diluted (in shares)	22,637,000	22,571,000
Net income per share: [Abstract]
Basic net income per share (in dollars per share)	$ 0.21	$ 0.15
Diluted net income per share (in dollars per share)	$ 0.21	$ 0.14
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	0
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	0
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	0